/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.rs.security.oauth2.jwt.grant;
import java.util.Arrays;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cxf.jaxrs.utils.HttpUtils;
import org.apache.cxf.rs.security.oauth2.common.Client;
import org.apache.cxf.rs.security.oauth2.common.ServerAccessToken;
import org.apache.cxf.rs.security.oauth2.common.UserSubject;
import org.apache.cxf.rs.security.oauth2.jws.JwsJwtCompactConsumer;
import org.apache.cxf.rs.security.oauth2.jwt.JwtToken;
import org.apache.cxf.rs.security.oauth2.jwt.JwtTokenReader;
import org.apache.cxf.rs.security.oauth2.provider.OAuthServiceException;
import org.apache.cxf.rs.security.oauth2.utils.OAuthConstants;
import org.apache.cxf.rs.security.oauth2.utils.OAuthUtils;
/**
* The "JWT Bearer" grant handler
*/
public class JwtBearerGrantHandler extends AbstractJwtHandler {
private static final String ENCODED_JWT_BEARER_GRANT;
static {
// AccessTokenService may be configured with the form provider
// which will not decode by default - so listing both the actual
// and encoded grant type value will help
ENCODED_JWT_BEARER_GRANT = HttpUtils.urlEncode(Constants.JWT_BEARER_GRANT, "UTF-8");
}
private JwtTokenReader jwtReader;
public JwtBearerGrantHandler() {
super(Arrays.asList(Constants.JWT_BEARER_GRANT, ENCODED_JWT_BEARER_GRANT));
}
@Override
public ServerAccessToken createAccessToken(Client client, MultivaluedMap<String, String> params)
throws OAuthServiceException {
String assertion = params.getFirst(Constants.CLIENT_GRANT_ASSERTION_PARAM);
if (assertion == null) {
throw new OAuthServiceException(OAuthConstants.INVALID_GRANT);
}
try {
JwsJwtCompactConsumer jwsReader = getJwsReader(assertion);
JwtToken jwtToken = jwsReader.getJwtToken();
super.validateSignature(jwtToken.getHeaders(),
jwsReader.getUnsignedEncodedPayload(),
jwsReader.getDecodedSignature());
super.validateClaims(client, jwtToken.getClaims());
UserSubject grantSubject = new UserSubject(jwtToken.getClaims().getSubject());
return doCreateAccessToken(client,
grantSubject,
Constants.JWT_BEARER_GRANT,
OAuthUtils.parseScope(params.getFirst(OAuthConstants.SCOPE)));
} catch (OAuthServiceException ex) {
throw ex;
} catch (Exception ex) {
throw new OAuthServiceException(OAuthConstants.INVALID_GRANT, ex);
}
}
protected JwsJwtCompactConsumer getJwsReader(String assertion) {
return new JwsJwtCompactConsumer(assertion, jwtReader);
}
public void setJwtReader(JwtTokenReader tokenReader) {
this.jwtReader = tokenReader;
}
}